package cn.com.nes.common.wx;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.ConnectException;
import java.net.URL;

import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;

import net.sf.json.JSONObject;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

//import cn.com.nes.weixin.menu.Menu;

public class CommonUtil {

	private static Logger log = LoggerFactory.getLogger(CommonUtil.class);
	/**
	 * 发送https请求
	 * 
	 * @param requestUrl
	 *            请求地址
	 * @param requestMethod
	 *            请求方式（GET、POST）
	 * @param outputStr
	 *            提交的数据
	 * @return JSONObject(通过JSONObject.get(key)的方式获取json对象的属性值)
	 */
	public static JSONObject httpsRequest(String requestUrl,
			String requestMethod, String outputStr) {
		JSONObject jsonObject = null;
		try {
			// 创建SSLContext对象，并使用我们指定的信任管理器初始化
			TrustManager[] tm = { new MyX509TrustManager() };
			SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
			sslContext.init(null, tm, new java.security.SecureRandom());
			// 从上述SSLContext对象中得到SSLSocketFactory对象
			SSLSocketFactory ssf = sslContext.getSocketFactory();

			URL url = new URL(requestUrl);
			HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
			conn.setSSLSocketFactory(ssf);

			conn.setDoOutput(true);
			conn.setDoInput(true);
			conn.setUseCaches(false);
			// 设置请求方式（GET/POST）
			conn.setRequestMethod(requestMethod);

			// 当outputStr不为null时向输出流写数据
			if (null != outputStr) {
				OutputStream outputStream = conn.getOutputStream();
				// 注意编码格式
				outputStream.write(outputStr.getBytes("UTF-8"));
				outputStream.close();
			}

			// 从输入流读取返回内容
			InputStream inputStream = conn.getInputStream();
			InputStreamReader inputStreamReader = new InputStreamReader(
					inputStream, "utf-8");
			BufferedReader bufferedReader = new BufferedReader(
					inputStreamReader);
			String str = null;
			StringBuffer buffer = new StringBuffer();
			while ((str = bufferedReader.readLine()) != null) {
				buffer.append(str);
			}
			 System.out.println(buffer.toString());
			// 释放资源
			bufferedReader.close();
			inputStreamReader.close();
			inputStream.close();
			inputStream = null;
			conn.disconnect();
			jsonObject = JSONObject.fromObject(buffer.toString());
		} catch (ConnectException ce) {
			ce.printStackTrace();
			log.error("连接超时：{}", ce);
		} catch (Exception e) {
			e.printStackTrace();
			log.error("https请求异常：{}", e);
		}
		return jsonObject;
	}
	
	
//	 public static JSONObject httpsRequestXml(String requestUrl, String requestMethod, String outputStr) {
//	        JSONObject jsonObject = null;
//	        try {
//	            // 创建SSLContext对象，并使用我们指定的信任管理器初始化
//	            TrustManager[] tm = { new MyX509TrustManager() };
//	            SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
//	            sslContext.init(null, tm, new java.security.SecureRandom());
//	            // 从上述SSLContext对象中得到SSLSocketFactory对象
//	            SSLSocketFactory ssf = sslContext.getSocketFactory();
//
//	            URL url = new URL(requestUrl);
//	            HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
//	            conn.setSSLSocketFactory(ssf);
//	            
//	            conn.setDoOutput(true);
//	            conn.setDoInput(true);
//	            conn.setUseCaches(false);
//	            // 设置请求方式（GET/POST）
//	            conn.setRequestMethod(requestMethod);
//
//	            // 当outputStr不为null时向输出流写数据
//	            if (null != outputStr) {
//	                OutputStream outputStream = conn.getOutputStream();
//	                // 注意编码格式
//	                outputStream.write(outputStr.getBytes("UTF-8"));
//	                outputStream.close();
//	            }
//
//	            // 从输入流读取返回内容
//	            InputStream inputStream = conn.getInputStream();
//	            jsonObject = Xml2JsonUtil.xml2JSON(inputStream);
//	            inputStream.close();
//	            inputStream = null;
//	            conn.disconnect();
//	          
//	           	//jsonObject = JSONObject.fromObject(buffer.toString());
//	        } catch (ConnectException ce) {
//	            log.error("连接超时：{}", ce);
//	        } catch (Exception e) {
//	            log.error("https请求异常：{}", e);
//	        }
//	        return jsonObject;
//	    }
//	    
	 

	/**
	 * 获取接口访问凭证
	 * 
	 * @param appid
	 *            凭证
	 * @param appsecret
	 *            密钥
	 * @return
	 */
	/*public static AccessToken getToken(String appid, String appsecret) {
		AccessToken token = null;
		String requestUrl = Constants.USER_TOKEN_URL_TEMPLATE.replace(
				"#APPID#", appid).replace("#APPSECRET#", appsecret);
		// 发起GET请求获取凭证
		JSONObject jsonObject = httpsRequest(requestUrl, "GET", null);

		if (null != jsonObject) {
			try {
				token = new AccessToken();
				token.setAccessToken(jsonObject.getString("access_token"));
				token.setExpiresIn(jsonObject.getInt("expires_in"));
			} catch (JSONException e) {
				token = null;
				// 获取token失败
				log.error("获取token失败 errcode:{} errmsg:{}",
						jsonObject.getInt("errcode"),
						jsonObject.getString("errmsg"));
			}
		}
		return token;
	}
	
	
	public static String getJSApiTicket(String appid, String appsecret)
	{
			AccessToken  acess_token= getToken(appid,appsecret);
			String urlStr = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token="+acess_token.getAccessToken()+"&type=jsapi"; 
			JSONObject jsonObject = httpsRequest(urlStr, "GET", null);			
			String ticket ="";
			if (null != jsonObject) {
				try {
					ticket = jsonObject.getString("ticket");
				} catch (JSONException e) {
				}
			}
			
			return  ticket;  
	}
*/
	
	/**
	 * 创建菜单
	 * 
	 * @param menu
	 *            菜单实例
	 * @param accessToken
	 *            有效的access_token
	 * @return 0表示成功，其他值表示失败
	 */
//	public static int createMenu(Menu menu, String accessToken) {
//		int result = 0;
//		// 拼装创建菜单的url
//		String url = Constants.CREATE_MENU_URL_TEMPLATE.replace("#ACCESS_TOKEN#",
//				accessToken);
//		// 将菜单对象转换成json字符串
//		String jsonMenu = JSONObject.fromObject(menu).toString();
//		// 调用接口创建菜单
//		JSONObject jsonObject = httpsRequest(url, "POST", jsonMenu);
//		if (null != jsonObject) {
//			if (0 != jsonObject.getInt("errcode")) {
//				result = jsonObject.getInt("errcode");
//				log.error("创建菜单失败 errcode:{} errmsg:{}",
//						jsonObject.getInt("errcode"),
//						jsonObject.getString("errmsg"));
//			}
//		}
//		return result;
//	}

	/**
	 * URL编码（utf-8）
	 * 
	 * @param source
	 * @return
	 */
	public static String urlEncodeUTF8(String source) {
		String result = source;
		try {
			result = java.net.URLEncoder.encode(source, "utf-8");
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		}
		return result;
	}

	/**
	 * 根据内容类型判断文件扩展名
	 * 
	 * @param contentType
	 *            内容类型
	 * @return
	 */
	public static String getFileExt(String contentType) {
		String fileExt = "";
		if ("image/jpeg".equals(contentType))
			fileExt = ".jpg";
		else if ("audio/mpeg".equals(contentType))
			fileExt = ".mp3";
		else if ("audio/amr".equals(contentType))
			fileExt = ".amr";
		else if ("video/mp4".equals(contentType))
			fileExt = ".mp4";
		else if ("video/mpeg4".equals(contentType))
			fileExt = ".mp4";
		return fileExt;
	}

}
